Finding the Fourth Proportional to 1,422.31, 1,962.25 and 1,050.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.31 : 1,962.25 = 1,050.18 : x
2. Step 2: Convert to fraction form
   1,422.31/1,962.25 = 1,050.18/x
3. Step 3: Cross multiply
   1,422.31x = 1,962.25 × 1,050.18
4. Step 4: Simplify right side
   1,422.31x = 2,060,720.44
5. Step 5: Solve for x
   x = 2,060,720.44/1,422.31
6. Step 6: Final answer
   x = 1,448.85